def test_exception_attributes(self):
secret_key = 'predictable-key'
value = u'hello'
s = self.make_serializer(secret_key)
ts = s.dumps(value)
try:
s.loads(ts + _coerce_string(ts, 'x'))
except idmod.BadSignature as e:
self.assertEqual(want_bytes(e.payload),
want_bytes(ts).rsplit(b'.', 1)[0])
self.assertEqual(s.load_payload(e.payload), value)
else:
self.fail('Did not get bad signature')
def test_exception_attributes(self):
secret_key = 'predictable-key'
value = u'hello'
s = self.make_serializer(secret_key)
ts = s.dumps(value)
try:
s.loads(ts + _coerce_string(ts, 'x'))
except idmod.BadSignature as e:
self.assertEqual(want_bytes(e.payload),
want_bytes(ts).rsplit(b'.', 1)[0])
self.assertEqual(s.load_payload(e.payload), value)
else:
self.fail('Did not get bad signature')
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
#if not session:
# if session.modified:
# del self.cache[session.sid]
# response.delete_cookie(app.session_cookie_name, domain=domain, path=path)
# return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
data = dict(session)
self.cache.set(session.sid, data,
app.permanent_session_lifetime.total_seconds())
signer = self._get_signer(app)
if signer:
session_id = signer.sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid_as_bytes = signer.unsign(sid)
sid = sid_as_bytes.decode()
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
store_id = self.key_prefix + sid
saved_session = self.sql_session_model.query.filter_by(
session_id=store_id).first()
if saved_session and saved_session.expiry <= datetime.utcnow():
# Delete expired session
self.db.session.delete(saved_session)
self.db.session.commit()
saved_session = None
if saved_session:
try:
val = saved_session.data
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=True)
signer = self._get_signer(app)
if signer is None:
return None
try:
sid_as_bytes = signer.unsign(sid)
sid = sid_as_bytes.decode()
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=True)
db_session = SessionManager.Session()
saved_session = db_session.query(ServerSession).filter(ServerSession.session_id == sid).first()
if saved_session and not saved_session.expiry and saved_session.expiry <= datetime.utcnow():
# delete expired session
db_session.delete(saved_session)
db_session.commit()
saved_session = None
if saved_session:
try:
val = saved_session.data
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=True)
return self.session_class(sid=sid, permanent=True)
def save_session(self, app, session, response):
store_id = self.key_prefix + session.sid
saved_session = self.sql_session_model.query.filter_by(
session_id=store_id).first()
if not session:
if session.modified:
if saved_session:
self.db.session.delete(saved_session)
self.db.session.commit()
response.headers.pop(app.config.get('SESSION_HEADER_NAME', 'X-Header-Session'), None)
return
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
if saved_session:
saved_session.data = val
saved_session.expiry = expires
self.db.session.commit()
else:
new_session = self.sql_session_model(store_id, val, expires)
self.db.session.add(new_session)
self.db.session.commit()
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.headers[app.config.get('SESSION_HEADER_NAME', 'X-Header-Session')] = session_id
def save_session(self, app, session, response):
if not session:
if session.modified:
self.redis.delete(self.key_prefix + session.sid)
response.headers.pop(app.config.get('SESSION_HEADER_NAME', 'X-Header-Session'), None)
return
# Modification case. There are upsides and downsides to
# emitting a set-cookie header each request. The behavior
# is controlled by the :meth:`should_set_cookie` method
# which performs a quick check to figure out if the cookie
# should be set or not. This is controlled by the
# SESSION_REFRESH_EACH_REQUEST config flag as well as
# the permanent flag on the session itself.
# if not self.should_set_cookie(app, session):
# return
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.redis.setex(name=self.key_prefix + session.sid, value=val,
time=total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.headers[app.config.get('SESSION_HEADER_NAME', 'X-Header-Session')] = session_id
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
if not session:
if session.modified:
self.cache.delete(self.key_prefix + session.sid)
response.delete_cookie(app.session_cookie_name,
domain=domain,
path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
samesite = self.get_cookie_samesite(app)
data = dict(session)
self.cache.set(self.key_prefix + session.sid, data,
total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure,
samesite=samesite)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid = signer.unsign(sid)
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
store_id = self.key_prefix + sid
document = self.store.find_one({'id': store_id})
if document and document.get('expiration') <= datetime.utcnow():
# Delete expired session
self.store.delete({'id': store_id})
document = None
if document is not None:
try:
val = document['val']
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
# create a new session if the request does not include a token
if not sid:
return self.session_class(sid=self._generate_sid())
# attempt to retrieve the session associated with the given token
store_id = self.key_prefix + sid
saved_session = self.sql_session_model.query.filter_by(session_id=store_id).first()
# create a new session if the token doesn't represent a valid session
if not saved_session:
return self.session_class(sid=self._generate_sid())
# create a new session if the session has expired
elif saved_session.expiry <= datetime.utcnow():
# purge the expired session
self.db.session.delete(saved_session)
self.db.session.commit()
return self.session_class(sid=self._generate_sid())
# handle valid sessions
else:
try:
val = saved_session.data
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid)
def file_upload():
"""Upload the file to the server. ``POST /file``
:return: JSON containing internal metadata of the uploaded file
"""
try:
file = request.files['file']
except KeyError:
raise abort(400)
if not validate_file_type(file._file, file.mimetype):
raise abort(415)
file.stream.seek(0)
filename = werkzeug.utils.secure_filename(file.filename)
with tempfile.NamedTemporaryFile(
dir=app.config['MEDIA_DIR'], delete=False) as tf:
file.save(tf)
file_record = models.File(
title=filename,
mimetype=file.mimetype,
path=tf.name
)
with start_session() as session:
session.add(file_record)
session.commit()
file_id = file_record.id
return JsonResponse({
'statuscode': 201,
'id': file_id,
'signedId':
signer.sign(itsdangerous.want_bytes(file_id)).decode('utf-8'),
'title': filename,
'mimetype': file.mimetype,
'downloadURI': '/file/%s/download' % file_id
}, status=201)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid = signer.unsign(sid)
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
full_session_key = self.key_prefix + sid
if PY2 and isinstance(full_session_key, unicode):
full_session_key = full_session_key.encode('utf-8')
val = self.client.get(full_session_key)
if val is not None:
try:
if not PY2:
val = want_bytes(val)
data = self.serializer.loads(val)
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def open_session(self, app, request):
ds_client = self.get_client()
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid_as_bytes = signer.unsign(sid)
sid = sid_as_bytes.decode()
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
store_id = self.key_prefix + sid
session_key = ds_client.key('session', store_id)
saved_session = ds_client.get(session_key)
if saved_session and saved_session['expiry'] <= pytz.utc.localize(datetime.now()):
ds_client.delete(session_key)
saved_session = None
if saved_session:
try:
val = saved_session['data']
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
# create a new session if the request does not include a token
if not sid:
return self.session_class(sid=self._generate_sid())
# attempt to retrieve the session associated with the given token
store_id = self.key_prefix + sid
saved_session = self.sql_session_model.query.filter_by(
session_id=store_id).first()
# create a new session if the token doesn't represent a valid session
if not saved_session:
return self.session_class(sid=self._generate_sid())
# create a new session if the session has expired
elif saved_session.expiry <= datetime.utcnow():
# purge the expired session
self.db.session.delete(saved_session)
self.db.session.commit()
return self.session_class(sid=self._generate_sid())
# handle valid sessions
else:
try:
val = saved_session.data
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid_as_bytes = signer.unsign(sid)
sid = sid_as_bytes.decode()
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
store_id = self.key_prefix + sid
document = self.store.find_one({'id': store_id})
if document and document.get('expiration') <= datetime.utcnow():
# Delete expired session
self.store.remove({'id': store_id})
document = None
if document is not None:
try:
val = document['val']
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
store_id = self.key_prefix + session.sid
if not session:
if session.modified:
self.store.delete({"id": store_id})
response.delete_cookie(app.session_cookie_name, domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.store.update({"id": store_id}, {"id": store_id, "val": val, "expiration": expires}, True)
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(
app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure,
)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
store_id = self.key_prefix + session.sid
if not session:
if session.modified:
self.store.remove({'id': store_id})
response.delete_cookie(app.session_cookie_name,
domain=domain,
path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
samesite = self.get_cookie_samesite(app)
val = self.serializer.dumps(dict(session))
self.store.update({'id': store_id}, {
'id': store_id,
'val': val,
'expiration': expires
}, True)
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure,
samesite=samesite)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
full_session_key = self.key_prefix + session.sid
if isinstance(full_session_key, unicode):
full_session_key = full_session_key.encode("utf-8")
if not session:
if session.modified:
self.client.delete(full_session_key)
response.delete_cookie(app.session_cookie_name, domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.client.set(
full_session_key, val, self._get_memcache_timeout(total_seconds(app.permanent_session_lifetime))
)
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(
app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure,
)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid_as_bytes = signer.unsign(sid)
sid = sid_as_bytes.decode()
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
full_session_key = self.key_prefix + sid
if PY2 and isinstance(full_session_key, unicode):
full_session_key = full_session_key.encode('utf-8')
val = self.client.get(full_session_key)
if val is not None:
try:
if not PY2:
val = want_bytes(val)
data = self.serializer.loads(val)
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
if not session:
if session.modified:
self.redis.delete(self.key_prefix + session.sid)
response.delete_cookie(app.session_cookie_name,
domain=domain,
path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = json.dumps(dict(session))
self.redis.setex(name=self.key_prefix + session.sid,
value=val,
time=total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
full_session_key = self.key_prefix + session.sid
if PY2 and isinstance(full_session_key, unicode):
full_session_key = full_session_key.encode('utf-8')
if not session:
if session.modified:
self.client.delete(full_session_key)
response.delete_cookie(app.session_cookie_name,
domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
if not PY2:
val = self.serializer.dumps(dict(session), 0)
else:
val = self.serializer.dumps(dict(session))
self.client.set(full_session_key, val, self._get_memcache_timeout(
total_seconds(app.permanent_session_lifetime)))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name, session_id,
expires=expires, httponly=httponly,
domain=domain, path=path, secure=secure)
def save_session(self, app, session, response):
if not self.should_set_cookie(app, session):
return
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
if not session:
if session.modified:
self.redis.delete(self.key_prefix + session.sid)
response.delete_cookie(app.session_cookie_name,
domain=domain, path=path)
return
# Modification case. There are upsides and downsides to
# emitting a set-cookie header each request. The behavior
# is controlled by the :meth:`should_set_cookie` method
# which performs a quick check to figure out if the cookie
# should be set or not. This is controlled by the
# SESSION_REFRESH_EACH_REQUEST config flag as well as
# the permanent flag on the session itself.
# if not self.should_set_cookie(app, session):
# return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.redis.setex(name=self.key_prefix + session.sid, value=val,
time=total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name, session_id,
expires=expires, httponly=httponly,
domain=domain, path=path, secure=secure)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
if self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid = signer.unsign(sid)
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid, permanent=self.permanent)
store_id = self.key_prefix + sid
saved_session = self.sql_session_model.query.filter_by(session_id=store_id).first()
if saved_session and saved_session.expiry <= datetime.utcnow():
# purge expired session
self.db.session.delete(saved_session)
self.db.session.commit()
saved_session = None
if saved_session:
try:
val = saved_session.data
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid)
except:
return self.session_class(sid=sid, permanent=self.permanent)
return self.session_class(sid=sid, permanent=self.permanent)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
if not session:
if session.modified:
self.cache.delete(self.key_prefix + session.sid)
response.delete_cookie(app.session_cookie_name, domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
data = dict(session)
self.cache.set(self.key_prefix + session.sid, data, total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(
app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure,
)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
if not session:
if session.modified:
self.redis.delete(self.key_prefix + session.sid)
response.delete_cookie(app.session_cookie_name,
domain=domain, path=path)
return
# Modification case. There are upsides and downsides to
# emitting a set-cookie header each request. The behavior
# is controlled by the :meth:`should_set_cookie` method
# which performs a quick check to figure out if the cookie
# should be set or not. This is controlled by the
# SESSION_REFRESH_EACH_REQUEST config flag as well as
# the permanent flag on the session itself.
# if not self.should_set_cookie(app, session):
# return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
self.redis.setex(name=self.key_prefix + session.sid, value=val,
time=total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name, session_id,
expires=expires, httponly=httponly,
domain=domain, path=path, secure=secure)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
store_id = self.key_prefix + session.sid
saved_session = self.sql_session_model.query.filter_by(
session_id=store_id).first()
if not session:
if session.modified:
if saved_session:
self.db.session.delete(saved_session)
self.db.session.commit()
response.delete_cookie(app.session_cookie_name,
domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
if saved_session:
saved_session.data = val
saved_session.expiry = expires
self.db.session.commit()
else:
new_session = self.sql_session_model(store_id, val, expires)
self.db.session.add(new_session)
self.db.session.commit()
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name, session_id,
max_age=app.permanent_session_lifetime,
httponly=httponly,
domain=domain, path=path, secure=secure)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
store_id = self.key_prefix + session.sid
if not session:
if session.modified:
self.client.delete(index=self.index, id=store_id)
response.delete_cookie(app.session_cookie_name,
domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = dict(session)
self.client.index(index=self.index,
id=store_id,
body={
'id': store_id,
'val': val,
'expiration': expires
}
)
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name, session_id,
expires=expires, httponly=httponly,
domain=domain, path=path, secure=secure)
def test_exception_attributes(self):
secret_key = 'predictable-key'
value = u'hello'
s = self.make_serializer(secret_key)
ts = s.dumps(value)
try:
s.loads(ts, max_age=-1)
except idmod.SignatureExpired as e:
self.assertEqual(e.date_signed,
datetime.utcfromtimestamp(time.time()))
self.assertEqual(want_bytes(e.payload),
want_bytes(ts).rsplit(b'.', 2)[0])
self.assertEqual(s.load_payload(e.payload), value)
else:
self.fail('Did not get expiration')
def save_session(self, app, session, response):
"""
程序结束前执行，可以保存session中所有的值
如：
保存到resit
写入到用户cookie
"""
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = json.dumps(dict(session))
# session保存在redis中
# self.redis.setex(name=session.sid, value=val, time=app.permanent_session_lifetime)
# session保存在内存中
self.container.setdefault(session.sid, val)
session_id = self._get_signer(app).sign(want_bytes(session.sid))
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def test_exception_attributes(self):
secret_key = 'predictable-key'
value = u'hello'
s = self.make_serializer(secret_key)
ts = s.dumps(value)
try:
s.loads(ts, max_age=-1)
except idmod.SignatureExpired as e:
self.assertEqual(e.date_signed,
datetime.utcfromtimestamp(time.time()))
self.assertEqual(want_bytes(e.payload),
want_bytes(ts).rsplit(b'.', 2)[0])
self.assertEqual(s.load_payload(e.payload), value)
else:
self.fail('Did not get expiration')
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
store_id = self.key_prefix + session.sid
saved_session = self.sql_session_model.query.filter_by(
session_id=store_id).first()
if not session:
if session.modified:
if saved_session:
self.db.session.delete(saved_session)
self.db.session.commit()
response.delete_cookie(app.session_cookie_name,
domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
val = self.serializer.dumps(dict(session))
if saved_session:
saved_session.data = val
saved_session.expiry = expires
self.db.session.commit()
else:
new_session = self.sql_session_model(store_id, val, expires)
self.db.session.add(new_session)
self.db.session.commit()
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.set_cookie(app.session_cookie_name, session_id,
expires=expires, httponly=httponly,
domain=domain, path=path, secure=secure)
def open_session(self, app, request):
# Check for cookieless session in the path
path_session = re.match(r"(/@)([a-f0-9A-F_]*)(@)", request.path)
# Check if currently accessed URL is LTI launch page
try:
# request.url_rule is not set yet here.
endpoint, args = app.create_url_adapter(request).match()
is_lti_launch = app.view_functions.get(
endpoint).view_class == LTILaunchPage
except HTTPException:
is_lti_launch = False
if path_session: # Cookieless session
cookieless = True
sid = path_session.group(2)
elif is_lti_launch:
cookieless = True
sid = None
else:
cookieless = False
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self._generate_sid()
return self.session_class(sid=sid,
permanent=self.permanent,
cookieless=cookieless)
if not path_session and self.use_signer:
signer = self._get_signer(app)
if signer is None:
return None
try:
sid_as_bytes = signer.unsign(sid)
sid = sid_as_bytes.decode()
except BadSignature:
sid = self._generate_sid()
return self.session_class(sid=sid,
permanent=self.permanent,
cookieless=cookieless)
store_id = sid
document = self.store.find_one({'_id': store_id})
if document and document.get('expiration') <= datetime.utcnow():
# Delete expired session
self.store.remove({'_id': store_id})
document = None
if document is not None:
try:
val = document['data']
data = self.serializer.loads(want_bytes(val))
return self.session_class(data, sid=sid, cookieless=cookieless)
except:
return self.session_class(sid=sid,
permanent=self.permanent,
cookieless=cookieless)
return self.session_class(sid=sid,
permanent=self.permanent,
cookieless=cookieless)
def fetch_lti_data(self, sessionid):
# TODO : Flask session interface does not allow to open a specific session
# It could be worth putting these information outside of the session dict
sess = self.database.sessions.find_one({"_id": sessionid})
if sess:
cookieless_session = self.app.session_interface.serializer.loads(want_bytes(sess['data']))
else:
return KeyError()
return sessionid, cookieless_session["lti"]
def save_session(self, app, session, response):
if self.cookie_domain is not None:
domain = self.cookie_domain if self.cookie_domain else self.get_cookie_domain(
app)
else:
domain = self.get_cookie_domain(app)
path = self.cookie_path or self.get_cookie_path(app)
store_id = self.key_prefix + session.get_sid(self.cookie_name)
if PY2 and isinstance(store_id, unicode):
store_id = store_id.encode('utf-8')
if not session:
if session.modified:
try:
self.client.delete(store_id)
except Exception as e:
log.error(
f'Error while deleting session (session id: {store_id}): {e}'
)
response.delete_cookie(self.cookie_name,
domain=domain,
path=path)
return
httponly = self.cookie_httponly or self.get_cookie_httponly(app)
secure = self.cookie_secure or self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
if session.modified:
# The session was modified
data = {'_permanent': session.is_permanent(self.cookie_name)}
data.update(dict(session))
val = self.serializer.dumps(data)
try:
log.debug('Setting document to db')
self.client.set(
store_id, val,
self._get_memcache_timeout(total_seconds(expires)))
except Exception as e:
log.error(
f'Error while updating session (session id: {store_id}): {e}'
)
if self.use_signer:
session_id = self._get_signer(app).sign(
want_bytes(session.get_sid(self.cookie_name)))
else:
session_id = session.get_sid(self.cookie_name)
cookie_expires = self.get_cookie_expiration_time(app, session)
response.set_cookie(self.cookie_name,
session_id,
expires=cookie_expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
full_session_key = self.key_prefix + session.sid
if PY2 and isinstance(full_session_key, unicode):
full_session_key = full_session_key.encode('utf-8')
if not session:
if session.modified:
self.client.delete(full_session_key)
response.delete_cookie(app.session_cookie_name,
domain=domain,
path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
samesite = self.get_cookie_samesite(app)
if not PY2:
val = self.serializer.dumps(dict(session), 0)
else:
val = self.serializer.dumps(dict(session))
self.client.set(
full_session_key, val,
self._get_memcache_timeout(
total_seconds(app.permanent_session_lifetime)))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
from BTPanel import request, g, get_input
if 'auth_error' in g: return
if request.path in ['/', '/tips', '/robots.txt']: return
if request.path in ['/public']:
get = get_input()
if 'get_ping' in get: return
if response.status_code in [401]: return
if request.full_path.find('/login?tmp_token=') != 0:
if response.status_code not in [200, 308]: return
else:
if response.status_code not in [302, 301]: return
if secure: samesite = 'None'
if response.status_code not in [200, 302]: return
if not request.cookies.get(app.session_cookie_name):
if request.full_path.find('/login?tmp_token=') == 0:
samesite = 'None'
secure = True
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure,
samesite=samesite)
def peak_token_data(token):
"""
Peaks at a tokens data without any validation/verification of the signature.
:param token: The token to peak at.
:rtype: Any valid JSON data
"""
try:
payload = itsdangerous.want_bytes(token).rsplit('.', 2)[0]
return _unsafe_deserializer.load_payload(payload)
except (itsdangerous.BadPayload, IndexError):
return None
def peak_token_data(token):
"""
Peaks at a tokens data without any validation/verification of the signature.
:param token: The token to peak at.
:rtype: Any valid JSON data
"""
try:
payload = itsdangerous.want_bytes(token).rsplit('.', 2)[0]
return _unsafe_deserializer.load_payload(payload)
except (itsdangerous.BadPayload, IndexError):
return None
def tamper_with(bs):
"""Return len(bs)-variants of the bytestring bs, each with a different
byte altered."""
bs = want_bytes(bs)
for i in range(0, len(bs)):
new_byte = int2byte((indexbytes(bs, i) ^ 255) & 127 # stay in ascii range
)
yield bs[:i] + new_byte + bs[i + 1:]
def test_is_base62(self):
allowed = frozenset(b'0123456789abcdefghijklmnopqrstuvwxyz' +
b'ABCDEFGHIJKLMNOPQRSTUVWXYZ_-.')
objects = (['a', 'list'], 'a string', u'a unicode string \u2019',
{'a': 'dictionary'}, 42, 42.5)
s = self.make_serializer('Test')
for o in objects:
value = want_bytes(s.dumps(o))
self.assertTrue(set(value).issubset(set(allowed)))
self.assertNotEqual(o, value)
self.assertEqual(o, s.loads(value))
def test_is_base62(self):
allowed = frozenset(b'0123456789abcdefghijklmnopqrstuvwxyz' +
b'ABCDEFGHIJKLMNOPQRSTUVWXYZ_-.')
objects = (['a', 'list'], 'a string', u'a unicode string \u2019',
{'a': 'dictionary'}, 42, 42.5)
s = self.make_serializer('Test')
for o in objects:
value = want_bytes(s.dumps(o))
self.assertTrue(set(value).issubset(set(allowed)))
self.assertNotEqual(o, value)
self.assertEqual(o, s.loads(value))
def save_session(self, app, session, response):
if self.cookie_domain is not None:
domain = self.cookie_domain if self.cookie_domain else self.get_cookie_domain(
app)
else:
domain = self.get_cookie_domain(app)
path = self.cookie_path or self.get_cookie_path(app)
if not session:
if session.modified:
self._delete_session_from_store(
self.key_prefix + session.get_sid(self.cookie_name))
response.delete_cookie(self.cookie_name,
domain=domain,
path=path)
return
httponly = self.cookie_httponly or self.get_cookie_httponly(app)
secure = self.cookie_secure or self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
if session.modified:
# The session was modified
store_id = self.key_prefix + session.get_sid(self.cookie_name)
val = self.serializer.dumps(dict(session))
try:
log.debug('Setting document to db')
self.store.update(
{'id': store_id}, {
'id': store_id,
'val': val,
'_expiration': expires,
'_permanent': session.is_permanent(self.cookie_name)
}, True)
except Exception as e:
log.error(
f'Error while updating session (session id: {store_id}): {e}'
)
if self.use_signer:
session_id = self._get_signer(app).sign(
want_bytes(session.get_sid(self.cookie_name)))
else:
session_id = session.get_sid(self.cookie_name)
cookie_expires = self.get_cookie_expiration_time(app, session)
response.set_cookie(self.cookie_name,
session_id,
expires=cookie_expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def save_session(self, app, session, response):
if self.cookie_domain is not None:
domain = self.cookie_domain if self.cookie_domain else self.get_cookie_domain(
app)
else:
domain = self.get_cookie_domain(app)
path = self.cookie_path or self.get_cookie_path(app)
if not session:
if session.modified:
self._delete_session_from_store(
self.key_prefix + session.get_sid(self.cookie_name))
response.delete_cookie(self.cookie_name,
domain=domain,
path=path)
return
httponly = self.cookie_httponly or self.get_cookie_httponly(app)
secure = self.cookie_secure or self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
if session.modified:
# The session was modified
store_id = self.key_prefix + session.get_sid(self.cookie_name)
data = {'_permanent': session.is_permanent(self.cookie_name)}
data.update(dict(session))
val = self.serializer.dumps(data)
try:
self.client.setex(name=store_id,
value=val,
time=total_seconds(expires))
except Exception as e:
log.error(
'Error while updating session (session id: {}): {}'.format(
store_id, str(e)))
if self.use_signer:
session_id = self._get_signer(app).sign(
want_bytes(session.get_sid(self.cookie_name)))
else:
session_id = session.get_sid(self.cookie_name)
cookie_expires = self.get_cookie_expiration_time(app, session)
response.set_cookie(self.cookie_name,
session_id,
expires=cookie_expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def open_session(self, app, request):
sid = request.cookies.get(app.session_cookie_name)
if not sid:
sid = self.generate_sid()
return self.session_class(sid=sid)
data = Session.query.filter_by(sid=sid).first()
if data and data.expiry and data.expiry <= datetime.utcnow():
# Delete expired session
self.db.session.delete(data)
self.db.session.commit()
data = None
if data is not None:
val = self.serializer.loads(want_bytes(data.value))
return self.session_class(val, sid=sid)
return self.session_class(sid=sid)
def save_session(self, app, session, response):
if not session:
if session.modified:
self.cache.delete(self.key_prefix + session.sid)
response.headers.pop(app.config.get('SESSION_HEADER_NAME', 'X-Header-Session'), None)
return
expires = self.get_expiration_time(app, session)
data = dict(session)
self.cache.set(self.key_prefix + session.sid, data,
total_seconds(app.permanent_session_lifetime))
if self.use_signer:
session_id = self._get_signer(app).sign(want_bytes(session.sid))
else:
session_id = session.sid
response.headers[app.config.get('SESSION_HEADER_NAME', 'X-Header-Session')] = session_id
def save_session(self, app, session, response):
domain = self.get_cookie_domain(app)
path = self.get_cookie_path(app)
sid = session.sid
db_session = SessionManager.Session()
saved_session = db_session.query(ServerSession).filter(ServerSession.session_id == sid).first()
if not session:
if session.modified:
if saved_session:
db_session.delete(saved_session)
db_session.commit()
response.delete_cookie(app.session_cookie.name, domain=domain, path=path)
return
httponly = self.get_cookie_httponly(app)
secure = self.get_cookie_secure(app)
expires = self.get_expiration_time(app, session)
# expires = datetime.utcnow() + timedelta(minutes=1)
# if expires is None:
# expires = datetime.utcnow() + timedelta(days=1)
val = self.serializer.dumps(dict(session))
if saved_session:
saved_session.data = val
saved_session.expiry = expires
db_session.commit()
else:
new_session = ServerSession(session_id=sid, data=val, expiry=expires)
db_session.add(new_session)
db_session.commit()
session_id = self._get_signer(app).sign(want_bytes(session.sid))
response.set_cookie(app.session_cookie_name,
session_id,
expires=expires,
httponly=httponly,
domain=domain,
path=path,
secure=secure)
def test_want_bytes(self):
self.assertEqual(want_bytes(b"foobar"), b"foobar")
self.assertEqual(want_bytes(u"foobar"), b"foobar")
def create_signed_key(user):
"""Generate a valid auth token for the user, and sign it."""
key = core.create_session_key(user)
signer = get_signer()
return signer.sign(want_bytes(key)).decode('ascii')
